/**
 * v-dialogDragWidth 可拖动弹窗高度（右下角）
 * Copyright (c) 2019 ruoyi
 */

export default {
	// prettier-ignore
	bind(el: { querySelector: (arg0: string) => any; offsetLeft: number; offsetTop: number; }) {
		const dragDom = el.querySelector(".el-dialog");
		const lineEl = document.createElement("div");
		lineEl.setAttribute(
			"style",
			"width: 6px; background: inherit; height: 10px; position: absolute; right: 0; bottom: 0; margin: auto; z-index: 1; cursor: nwse-resize;"
		);
		lineEl.addEventListener(
			"mousedown",
			function (e) {
				// 鼠标按下，计算当前元素距离可视区的距离
				const disX = e.clientX - el.offsetLeft;
				const disY = e.clientY - el.offsetTop;
				// 当前宽度 高度
				const curWidth = dragDom.offsetWidth;
				const curHeight = dragDom.offsetHeight;
				document.onmousemove = function (e) {
					e.preventDefault(); // 移动时禁用默认事件
					// 通过事件委托，计算移动的距离
					const xl = e.clientX - disX;
					const yl = e.clientY - disY;
					dragDom.style.width = `${curWidth + xl}px`;
					dragDom.style.height = `${curHeight + yl}px`;
				};
				document.onmouseup = function (e) {
					document.onmousemove = null;
					document.onmouseup = null;
				};
			},
			false
		);
		dragDom.appendChild(lineEl);
	},
};
